<?php

namespace common\models;

use Yii;
use yii\base\Model;
use yii\data\ActiveDataProvider;
use common\models\Doc;

/**
 * DocSearch represents the model behind the search form of `common\models\Doc`.
 */
class DocSearch extends Doc
{
    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['did', 'cid', 'time', 'lastedit', 'viewnum', 'status', 'locked'], 'integer'],
            [['title', 'keywords', 'summary', 'content', 'authorname', 'lasteditorname', 'hisedition'], 'safe'],
        ];
    }

    /**
     * @inheritdoc
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = Doc::find();

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
			'pagination' => ['pageSize'=>8],
        	'sort'=>[
        			'defaultOrder'=>[
        					'did'=>SORT_DESC,        			
        			],
        			'attributes'=>['did','title', 'authorname', 'lasteditorname','lastedit','status', 'keywords'],
        	],			
        ]);

        $this->load($params);

        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        // grid filtering conditions
        $query->andFilterWhere([
            'did' => $this->did,
            'cid' => $this->cid,
            'time' => $this->time,
            'lastedit' => $this->lastedit,
            'viewnum' => $this->viewnum,
            'status' => $this->status,
            'locked' => $this->locked,
        ]);

        $query->andFilterWhere(['like', 'title', $this->title])
            ->andFilterWhere(['like', 'keywords', $this->keywords])
            ->andFilterWhere(['like', 'summary', $this->summary])
            ->andFilterWhere(['like', 'content', $this->content])
            ->andFilterWhere(['like', 'authorname', $this->authorname])
            ->andFilterWhere(['like', 'lasteditorname', $this->lasteditorname])
            ->andFilterWhere(['like', 'hisedition', $this->hisedition]);
        $dataProvider->sort->defaultOrder = 
        [
        		'status'=>SORT_ASC,
        		'did'=>SORT_DESC,
        ];
        return $dataProvider;
    }
}
